A Privacy-Preserved Authorization Model for Raster Data

ZHANG De-sheng; XU Zhen; FENG Deng-guo; LI Peng-fei

doi:10.3969/j.issn.0372-2112.2012.04.005

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A Privacy-Preserved Authorization Model for Raster Data

更新时间：2025-07-16

- A Privacy-Preserved Authorization Model for Raster Data
- Acta Electronica Sinica Vol. 40, Issue 4, Pages: 647-653(2012)
- 作者机构：
  
  1. 中国科学院软件研究所信息安全国家重点实验室,北京,100190
  2. 中国科学院软件研究所综合信息系统技术国家级重点实验室,北京,100190
  3. 中国科学院软件研究所信息安全国家重点实验室北京,100190
  4. 中国科学院软件研究所综合信息系统技术国家级重点实验室北京,100190
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2012.04.005
  CLC： TP309
- Published：2012
- 稿件说明：
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ZHANG De-sheng, XU Zhen, FENG Deng-guo, et al. A Privacy-Preserved Authorization Model for Raster Data[J]. Acta Electronica Sinica, 2012, 40(4): 647-653.
DOI：

ZHANG De-sheng, XU Zhen, FENG Deng-guo, et al. A Privacy-Preserved Authorization Model for Raster Data[J]. Acta Electronica Sinica, 2012, 40(4): 647-653. DOI： 10.3969/j.issn.0372-2112.2012.04.005.

摘要

卫星测绘技术的进步使得地理信息系统能够提供精确的地图查询服务

同时也给国土安全带来潜在威胁.本文针对已有空间数据访问控制模型中存在的根据访问结果进行敏感信息推理的问题

提出PPR-RBAC(a Privacy-Preserved RBAC for Raster data).该模型在RBAC模型的基础上

提出伪装客体的概念

采用数据伪装技术

将敏感客体扩展为真实客体和伪装客体;定义客体激活的方法

建立用户对真实客体和伪装客体的访问控制机制.最后

形式化证明PPR-RBAC模型的基本安全定理

为模型在地理信息系统中的应用奠定基础.

Abstract

Due to the fact that GIS(Geographic Information System) could provide high-resolution image with commercial observation satellites

this commercial availability of unprecedented and timely information and images of the earth poses significant threats to national security.Since existing access control models could not avoid the information inference according to the authorization results

a privacy-preserved RBAC for Raster Data is proposed

in PPR-RBAC

fake objects are made to protect sensitive raster objects

and authorization mechanisms are contributed for user to access sensitive raster objects by sensitive object activation.In conclusion

PPR-RBAC is formally proved to be safe and it lays the groundwork for the security deployment of PPR-RBAC in GIS.

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Related Author

WANG Sheng-sheng

LIU Da-you

YANG Bo

Related Institution

College of Computer Science and Technology, Jilin University

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